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Refrigeration Basics

Temperature Measurement and Thermometer Scales Part 1

Temperature Measurement and Thermometer Scales

Temperature is calculated by the use of an instrument called a thermometer. The general thermometer measures temperature by measuring the development of a liquid such as mercury or alcohol. The common temperature consists of a glass tube of the standardized bore, a bulb at the base, and an amount of liquid. Since glass does not use up or contract as ...

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What is Temperature?

What is Temperature

The temperature may be defined as the heat strength or heat level of a matter. Temperature alone does not give the quantity of heat in a substance but it is a suggestion of the degree of heat, or how hot the body is. The molecular theory of heat states the temperature is a sign of the velocity of movement of ...

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What is Cold

What is Cold

What is Cold Cold is a related term used to denote a low temperature? Cold is not something which is produced, but quite a heat is extracted and the resulting condition is called cold. A refrigerator produces a form called “cold” by the procedure of extracting or moving heat from the interior of the refrigerator cupboard. The refrigerator does not destroy the heat but rather ...

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High Temperature and High Temperature Flow

High temperature and high temperature flow

High Temperature and High-Temperature Flow The high temperature is molecular motion. All substances are completed up of tiny molecules which are in a situation of rapid motion. As the hotness of a matter is increased the movement increases and as the hotness decreases, the molecular movement decreases. If all high temperature is extracted (absolute 0) from a substance, the molecular ...

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Improvement of Refrigeration

Improvement of Refrigeration Refrigeration, the business of preserving food by cold, first became of marketable significance during the 18th century. Ice witch shaped on the surface of lakes and pounds was cut and stored in insulated storerooms to be used during the summer. This perform was expended by distribution ice from the colder climates to the hotter zones. The use ...

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